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Increasing detection rates for diminutive adenomas: are we on the right track?
  1. Daniel von Renteln1,
  2. Alan N Barkun2
  1. 1 Division of Gastroenterology, Centre hospitalier de l'université de Montréal (CHUM), Montreal, Quebec, Canada
  2. 2 Division of Gastroenterology, McGill University Health Center, McGill University, Montreal, Quebec, Canada
  1. Correspondence to Dr Daniel von Renteln, Division of Gastroenterology, Centre hospitalier de l'université de Montréal (CHUM), 3840 Rue Saint-Urbain, Montreal, Quebec, Canada H2W 1T8; danielrenteln{at}

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Van Doorn et al recently reported that Endocuff, an endoscopic cap with plastic projections fitted onto the distal end of the colonoscope increases adenoma detection rates (ADRs).1 While the study is of impeccable design and the device demonstrates to be safe and helpful to improve the inspection of colonic folds, there remain open questions concerning the Endocuff as well as for similar novel ADR enhancing modalities currently emerging on the market. Do they merely improve ADR as a function of improved detection of diminutive adenomas, and if so does such an ‘enhanced’ ADR actually contribute to colorectal cancer (CRC) prevention? Are there potential downsides on cost-effectiveness through increased polypectomy rates, possible clinically futile shortened surveillance intervals with potential attendant complication risks?

While ADR has …

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  • Contributors DvR and ANB concept, draft and revision of the letter.

  • Competing interests None declared.

  • Provenance and peer review Not commissioned; internally peer reviewed.